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Updated: Oct 1, 2026

Protocol for Plasmodium falciparum Infections in Mosquitoes and Infection Phenotype Determination
Published on: July 4, 2007
[Imported malaria in children in 1999. Study of the Armand-Trousseau Hospital in Paris]
1Service de pédiatrie générale, maladies infectieuses et tropicales et urgences, hôpital d'Enfants Armand-Trousseau, 75571 Paris, France.
Methods:
Eighty children were treated at the hospital Armand-Trousseau (Paris, France) for a malaria attack from 1999-01-01 to 2000-02-01.
Results:
The parasites were: Plasmodium falciparum: 87.5%, Plasmodium malariae: 12.6%, Plasmodium ovale: 10%, Plasmodium vivax: 6.3%. Mean age was 8.1 years (range: three months to 15 y). The origin of patients was: West Africa for 60 children, Central Africa for ten children and Comores for seven. Sixty-six patients suffered from common malaria attack and seven children were admitted with a presentation of severe malaria. The severe attacks were cerebral malaria for six cases, associated with severe anemia in five cases; the 7th child had a respiratory distress (ARDS) and died. The other six cases were cured without sequelae. Relapses were observed for eight patients: one after a severe cerebral malaria, six after a common P. falciparum attack, one after a P. ovale attack. Parasitemia was higher than in preceding years (mean 2.9%) and more than 5% in 11 cases, but without clear link with severity. Treatment by halofantrine with a single cure was followed by five relapses. None of those children received an effective prophylaxis during and after travel (55/80 without any prophylaxis).
Conclusion:
These data emphasize the importance of a good appraisal of criteria of severe malaria and lead to advice hospitalization of children with malaria in temperate zone.
Insights
Eighty children treated for malaria in Paris experienced relapses, particularly after halofantrine treatment. This highlights the need for better severe malaria assessment and hospitalization for pediatric malaria cases in temperate regions.
Area of Science:
- Pediatric infectious diseases
- Tropical medicine
- Epidemiology of malaria
Context:
- Malaria cases in non-endemic regions present unique challenges.
- Imported malaria in children requires careful management.
- Hospitalization criteria for pediatric malaria need refinement.
Purpose:
- To analyze malaria cases in children treated in a temperate zone hospital.
- To evaluate malaria parasite species, severity, and treatment outcomes.
- To assess the incidence and risk factors for malaria relapses in children.
Summary:
- Eighty children treated for malaria (1999-2000) in Paris, primarily with Plasmodium falciparum (87.5%).
- Seven severe malaria cases included cerebral malaria (6) and ARDS (1, fatal). Eight relapses occurred, with five following halofantrine monotherapy.
- Higher parasitemia was noted, and 55/80 children lacked malaria prophylaxis during travel.
Impact:
- Emphasizes the importance of accurate severe malaria diagnosis in pediatric cases.
- Suggests hospitalization for children with malaria in temperate climates is crucial.
- Informs clinical practice regarding malaria treatment and prophylaxis in returning travelers.
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